If you have a relay or SEG it’s not to hard. Dealing with spam can be a problem.
Availability can be an issue, and creating an HA email server starts to get pricy.
There’s a reason email administration can be a full time job.
If you have a relay or SEG it’s not to hard. Dealing with spam can be a problem.
Availability can be an issue, and creating an HA email server starts to get pricy.
There’s a reason email administration can be a full time job.